+
+// (-8 +8)*4 is for opening up the display by 16 pixels (may go to 20). Need to change VIRTUAL_SCREEN_WIDTH to match this as well (went from 320 to 336; this is 4 HCs per one of those pixels). <-- actually, not true. This is only place referenced.
+#define LEFT_VISIBLE_HC (208 - 16 - (10 * 4))
+//#define RIGHT_VISIBLE_HC (1488 - 16 + (10 * 4))
+#define RIGHT_VISIBLE_HC (LEFT_VISIBLE_HC + (VIRTUAL_SCREEN_WIDTH * 4))